Wicker is a modified version of Ubuntu designed to boot from USB flash on an embedded device for use as a digital photo frame or as a Web-connected digital sign.
It was developed as an open source project by RedPost for their Web-based Corktop digital sign management software.

TouchableViews is a simple GUI library for embedded systems. It is intended to be used in applications that are simple enough to not require an operating system or a full-featured GUI library, and is well suited for small touch panels.

Freedomotic is an open, flexible, scalable, mashup-oriented software system which can interact with well-known standard building automation protocols and with "do-it-yourself" solutions. It treats the Web, social networks, and frontends just like any other sensor or actuator in your automation system. For example, you can tweet your washing machine to start the washing cycle. Freedomotic leverages modern enterprise integration patterns and distributed computing architectures, along with cross-language APIs for extensions.